Home / 22,031,282,460.80-30,403,272,754.91-12,516,356,319.87

Finding the Fourth Proportional to 22,031,282,460.80, 30,403,272,754.91 and 12,516,356,319.87

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Solution

The fourth proportional to 22,031,282,460.80, 30,403,272,754.91 and 12,516,356,319.87 is: 17,272,630,214.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031,282,460.80 : 30,403,272,754.91 = 12,516,356,319.87 : x
  2. Step 2: Convert to fraction form
    22,031,282,460.80/30,403,272,754.91 = 12,516,356,319.87/x
  3. Step 3: Cross multiply
    22,031,282,460.80x = 30,403,272,754.91 × 12,516,356,319.87
  4. Step 4: Simplify right side
    22,031,282,460.80x = 380,538,195,090,686,738,432
  5. Step 5: Solve for x
    x = 380,538,195,090,686,738,432/22,031,282,460.80
  6. Step 6: Final answer
    x = 17,272,630,214.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.